CodePen Embed - Mothers Day Card

<div id="wrap">
		<h1>Happy Mothers Day!</h1>
  <p class="instruct"><strong>click on the rose for a Mother's Day message</strong></p>
		<input type="checkbox" id="checkbox" class="checkbox">
		<div id="letter_wrap">
      <div class='rose'>
   <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div>
  <div class='petal'></div></div>
			<label for="checkbox" class="handle" onclick></label>
			<div id="back"></div>
			<div id="flap">
				<div id="closed_flap"></div>
				<div id="open_flap"></div>
			</div>
			<div id="letter">
				<p>For Mother's Everywhere,</p>
				</br>
				<p><em>You too, my mother, read my rhymes
For love of unforgotten times,
And you may chance to hear once more,
The little feet along the floor.</em></p>
				</br>
					<figure>Robert Louis Stevenson</figure>
				<figcaption><em>American Poet, 1850-1894</em></figcaption>
			</div>
			<div id="front"></div>
		</div>
	</div>

body,
div,
h1,
h2,
form,
fieldset,
input,
textarea,
footer,
p {
  margin: 0;
  padding: 0;
  border: 0;
  outline: none;
}

body {
  -webkit-perspective: 800px;
  background-color: #ffebee;
  color: #7c7873;
  -webkit-animation: bugfix infinite 1s;
}

@-webkit-keyframes bugfix {
  from {
    padding: 0;
  }
  to {
    padding: 0;
  }
}

p {
  font-family: "Arvo", serif;
  font-size: 20px;
  text-shadow: 0 1px 0 #fff;
  
}
p.instruct{
  margin-left: 90px;
}
figure {
  font-family: "Arvo", serif;
  font-size: 20px;
  text-shadow: 0 1px 0 #fff;
}
figcaption {
  margin-left: 40px;
  line-height: 1px;
}

#wrap {
  width: 530px;
  height: 1000px;
  margin: 117px auto 20px;
}

h1 {
  font-family: "Varela Round", sans-serif;
  font-size: 36px;
  margin: 80px 0;
  text-align: center;
  text-shadow: 0 1px 0 #fff;
}

#letter_wrap {
  overlay: hidden;
  height: 560px;
  position: relative;
  top: 0px;
  -webkit-transition: all 1s ease-in-out;
  -moz-transition: all 1s ease-in-out;
  -o-transition: all 1s ease-in-out;
  transition: all 1s ease-in-out;
}

#back {
  position: absolute;
  bottom: 128px;
  left: 0px;
  background: url("https://s3-us-west-2.amazonaws.com/s.cdpn.io/460875/before1.png");
  width: 528px;
  height: 132px;
}

#flap {
  position: absolute;
  bottom: 65px;
  left: 0px;
  width: 530px;
  height: 390px;
  -webkit-transform-style: preserve-3d;
  z-index: 5;
  -webkit-transition: all 1.5s 1s linear;
}

#flap > div {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
}

#open_flap {
  top: 195px;
  background: url("https://s3-us-west-2.amazonaws.com/s.cdpn.io/460875/flap.png")
    no-repeat;
  -webkit-transform: rotateY(-180deg);
}

#closed_flap {
  top: 0%;
  background: url("https://s3-us-west-2.amazonaws.com/s.cdpn.io/460875/flap_closed.png")
    no-repeat 0 195px;
}

#front {
  position: absolute;
  bottom: 0px;
  left: 0px;
  background: url("https://s3-us-west-2.amazonaws.com/s.cdpn.io/460875/after.png");
  width: 530px;
  height: 260px;
}

.checkbox {
  position: absolute;
  opacity: 0;
  top: 0;
  left: 0;
  width: 70%;
  height: 70%;
  z-index: 100;
}

#checkbox:checked + #letter_wrap {
  height: 776px;
  top: -200px;
  -webkit-transition: all 1s ease-in-out 2s;
  -moz-transition: all 1s ease-in-out 2s;
  -o-transition: all 1s ease-in-out 2s;
  transition: all 1s ease-in-out 2s;
}

#letter {
  -webkit-transition: all 1s ease-in-out;
  -moz-transition: all 1s ease-in-out;
  -o-transition: all 1s ease-in-out;
  transition: all 1s ease-in-out;
  background: #ffc
    url("https://s3-us-west-2.amazonaws.com/s.cdpn.io/460875/letter_bg.png");
  position: relative;
  top: 200px;
  overlay: hidden;
  height: 90px;
  width: 400px;
  margin: 0 auto;
  padding: 20px;
  border: 1px solid #fff;
  border-radius: 3px;
  -webkit-box-shadow: 0px 0px 3px #9d9d9d, inset 0px 0px 27px #fff;
  -moz-box-shadow: 0px 0px 3px #9d9d9d, inset 0px 0px 14px #fff;
  box-shadow: 0px 0px 3px #9d9d9d, inset 0px 0px 27px #fff;
}

#checkbox:checked + #letter_wrap > #flap {
  -webkit-transition: all 2s linear;
  transform: rotateX(180deg);
  -webkit-transform: rotateX(180deg);
  z-index: -1;
}

#checkbox:checked + #letter_wrap > #letter {
  height: 520px;
  -webkit-transition: all 1s ease-in-out 2s;
  -moz-transition: all 1s ease-in-out 2s;
  -o-transition: all 1s ease-in-out 2s;
  transition: all 1s ease-in-out 2s;
}

#checkbox:checked + #letter_wrap > #letter > p {
  opacity: 1;
  -webkit-transition: opacity 1s ease-in-out 2s;
  -moz-transition: opacity 1s ease-in-out 2s;
  -o-transition: opacity 1s ease-in-out 2s;
  transition: opacity 1s ease-in-out 2s;
}
.rose {
  position: relative;
  width: 100px;
  height: 100px;
  top: 68%;
  left: 50%;
  margin-left: -50px;
  margin-top: -50px;
}
.rose + span {
  position: absolute;
  font-family: "Montserrat", san-serif;
  font-weight: normal;
  font-size: 14px;
  color: #64b5ce;
  text-transform: uppercase;
  text-align: right;
  width: 100px;
  height: 20px;
  line-height: 20px;
  top: 50%;
  left: 50%;
  margin-left: -50px;
  margin-top: 80px;
}
.rose > .petal:nth-child(1) {
  z-index: 29;
  transition: transform 1s;
  transform: scale(0.02, 0.02) rotate(80deg);
}
.rose:hover > .petal:nth-child(1) {
  transform: scale(0.06, 0.06) rotate(83deg);
}
.rose > .petal:nth-child(2) {
  z-index: 28;
  transition: transform 1s;
  transform: scale(0.04, 0.04) rotate(160deg);
}
.rose:hover > .petal:nth-child(2) {
  transform: scale(0.12, 0.12) rotate(166deg);
}
.rose > .petal:nth-child(3) {
  z-index: 27;
  transition: transform 1s;
  transform: scale(0.06, 0.06) rotate(240deg);
}
.rose:hover > .petal:nth-child(3) {
  transform: scale(0.18, 0.18) rotate(249deg);
}
.rose > .petal:nth-child(4) {
  z-index: 26;
  transition: transform 1s;
  transform: scale(0.08, 0.08) rotate(320deg);
}
.rose:hover > .petal:nth-child(4) {
  transform: scale(0.24, 0.24) rotate(332deg);
}
.rose > .petal:nth-child(5) {
  z-index: 25;
  transition: transform 1s;
  transform: scale(0.1, 0.1) rotate(400deg);
}
.rose:hover > .petal:nth-child(5) {
  transform: scale(0.3, 0.3) rotate(415deg);
}
.rose > .petal:nth-child(6) {
  z-index: 24;
  transition: transform 1s;
  transform: scale(0.12, 0.12) rotate(480deg);
}
.rose:hover > .petal:nth-child(6) {
  transform: scale(0.36, 0.36) rotate(498deg);
}
.rose > .petal:nth-child(7) {
  z-index: 23;
  transition: transform 1s;
  transform: scale(0.14, 0.14) rotate(560deg);
}
.rose:hover > .petal:nth-child(7) {
  transform: scale(0.42, 0.42) rotate(581deg);
}
.rose > .petal:nth-child(8) {
  z-index: 22;
  transition: transform 1s;
  transform: scale(0.16, 0.16) rotate(640deg);
}
.rose:hover > .petal:nth-child(8) {
  transform: scale(0.48, 0.48) rotate(664deg);
}
.rose > .petal:nth-child(9) {
  z-index: 21;
  transition: transform 1s;
  transform: scale(0.18, 0.18) rotate(720deg);
}
.rose:hover > .petal:nth-child(9) {
  transform: scale(0.54, 0.54) rotate(747deg);
}
.rose > .petal:nth-child(10) {
  z-index: 20;
  transition: transform 1s;
  transform: scale(0.2, 0.2) rotate(800deg);
}
.rose:hover > .petal:nth-child(10) {
  transform: scale(0.6, 0.6) rotate(830deg);
}
.rose > .petal:nth-child(11) {
  z-index: 19;
  transition: transform 1s;
  transform: scale(0.22, 0.22) rotate(880deg);
}
.rose:hover > .petal:nth-child(11) {
  transform: scale(0.66, 0.66) rotate(913deg);
}
.rose > .petal:nth-child(12) {
  z-index: 18;
  transition: transform 1s;
  transform: scale(0.24, 0.24) rotate(960deg);
}
.rose:hover > .petal:nth-child(12) {
  transform: scale(0.72, 0.72) rotate(996deg);
}
.rose > .petal:nth-child(13) {
  z-index: 17;
  transition: transform 1s;
  transform: scale(0.26, 0.26) rotate(1040deg);
}
.rose:hover > .petal:nth-child(13) {
  transform: scale(0.78, 0.78) rotate(1079deg);
}
.rose > .petal:nth-child(14) {
  z-index: 16;
  transition: transform 1s;
  transform: scale(0.28, 0.28) rotate(1120deg);
}
.rose:hover > .petal:nth-child(14) {
  transform: scale(0.84, 0.84) rotate(1162deg);
}
.rose > .petal:nth-child(15) {
  z-index: 15;
  transition: transform 1s;
  transform: scale(0.3, 0.3) rotate(1200deg);
}
.rose:hover > .petal:nth-child(15) {
  transform: scale(0.9, 0.9) rotate(1245deg);
}
.rose > .petal:nth-child(16) {
  z-index: 14;
  transition: transform 1s;
  transform: scale(0.32, 0.32) rotate(1280deg);
}
.rose:hover > .petal:nth-child(16) {
  transform: scale(0.96, 0.96) rotate(1328deg);
}
.rose > .petal:nth-child(17) {
  z-index: 13;
  transition: transform 1s;
  transform: scale(0.34, 0.34) rotate(1360deg);
}
.rose:hover > .petal:nth-child(17) {
  transform: scale(1.02, 1.02) rotate(1411deg);
}
.rose > .petal:nth-child(18) {
  z-index: 12;
  transition: transform 1s;
  transform: scale(0.36, 0.36) rotate(1440deg);
}
.rose:hover > .petal:nth-child(18) {
  transform: scale(1.08, 1.08) rotate(1494deg);
}
.rose > .petal:nth-child(19) {
  z-index: 11;
  transition: transform 1s;
  transform: scale(0.38, 0.38) rotate(1520deg);
}
.rose:hover > .petal:nth-child(19) {
  transform: scale(1.14, 1.14) rotate(1577deg);
}
.rose > .petal:nth-child(20) {
  z-index: 10;
  transition: transform 1s;
  transform: scale(0.4, 0.4) rotate(1600deg);
}
.rose:hover > .petal:nth-child(20) {
  transform: scale(1.2, 1.2) rotate(1660deg);
}
.rose > .petal:nth-child(21) {
  z-index: 9;
  transition: transform 1s;
  transform: scale(0.42, 0.42) rotate(1680deg);
}
.rose:hover > .petal:nth-child(21) {
  transform: scale(1.26, 1.26) rotate(1743deg);
}
.rose > .petal:nth-child(22) {
  z-index: 8;
  transition: transform 1s;
  transform: scale(0.44, 0.44) rotate(1760deg);
}
.rose:hover > .petal:nth-child(22) {
  transform: scale(1.32, 1.32) rotate(1826deg);
}
.rose > .petal:nth-child(23) {
  z-index: 7;
  transition: transform 1s;
  transform: scale(0.46, 0.46) rotate(1840deg);
}
.rose:hover > .petal:nth-child(23) {
  transform: scale(1.38, 1.38) rotate(1909deg);
}
.rose > .petal:nth-child(24) {
  z-index: 6;
  transition: transform 1s;
  transform: scale(0.48, 0.48) rotate(1920deg);
}
.rose:hover > .petal:nth-child(24) {
  transform: scale(1.44, 1.44) rotate(1992deg);
}
.rose > .petal:nth-child(25) {
  z-index: 5;
  transition: transform 1s;
  transform: scale(0.5, 0.5) rotate(2000deg);
}
.rose:hover > .petal:nth-child(25) {
  transform: scale(1.5, 1.5) rotate(2075deg);
}
.rose > .petal:nth-child(26) {
  z-index: 4;
  transition: transform 1s;
  transform: scale(0.52, 0.52) rotate(2080deg);
}
.rose:hover > .petal:nth-child(26) {
  transform: scale(1.56, 1.56) rotate(2158deg);
}
.rose > .petal:nth-child(27) {
  z-index: 3;
  transition: transform 1s;
  transform: scale(0.54, 0.54) rotate(2160deg);
}
.rose:hover > .petal:nth-child(27) {
  transform: scale(1.62, 1.62) rotate(2241deg);
}
.rose > .petal:nth-child(28) {
  z-index: 2;
  transition: transform 1s;
  transform: scale(0.56, 0.56) rotate(2240deg);
}
.rose:hover > .petal:nth-child(28) {
  transform: scale(1.68, 1.68) rotate(2324deg);
}
.rose > .petal:nth-child(29) {
  z-index: 1;
  transition: transform 1s;
  transform: scale(0.58, 0.58) rotate(2320deg);
}
.rose:hover > .petal:nth-child(29) {
  transform: scale(1.74, 1.74) rotate(2407deg);
}
.rose > .petal:nth-child(30) {
  z-index: 0;
  transition: transform 1s;
  transform: scale(0.6, 0.6) rotate(2400deg);
}
.rose:hover > .petal:nth-child(30) {
  transform: scale(1.8, 1.8) rotate(2490deg);
}
.rose .text {
  position: absolute;
  height: 70px;
  width: 150px;
  top: 50%;
  margin-left: -25px;
  margin-top: -25px;
  z-index: 100;
  opacity: 0;
  transition: opacity 1s;
}
.rose .text span {
  display: block;
  width: 100%;
  line-height: 30px;
  text-align: right;
  color: #290000;
}
.rose .text span:nth-child(1) {
  font-size: 30px;
  font-family: "Montserrat", san-serif;
}
.rose .text span:nth-child(2) {
  font-size: 44px;
  font-family: "Arizonia", serif;
}
.rose:hover > .text {
  opacity: 1;
}

.rose:before,
.rose:after{
  content:'';
  display: block;
  border: 5px solid transparent;
  border-radius: 100%;
  width: 170px;
  height: 190px;
  background: transparent;
  position: absolute;
}

.rose:before{
  top: 30px;
  left: -18px;
}

.rose:after{
  top: -30px;
  left: -120px;
  height: 200px;
}
.rose .petal {
  left: 50%;
  margin-left: -50px;
  margin-top: -50px;
  transform-origin: bottom center;
  height: 100%;
  width: 100%;
}
.rose .petal, .rose .petal:before {
  position: absolute;
}
.rose .petal:before {
  display: block;
  content: "";
  background-color: #8b0000;
  background-image: url('data:image/svg+xml;base64,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');
  background-size: 100%;
  background-image: -moz-radial-gradient(bottom left, ellipse cover, #520000 0%, #520000 70%, #8b0000 95%);
  background-image: -webkit-radial-gradient(bottom left, ellipse cover, #520000 0%, #520000 70%, #8b0000 95%);
  background-image: radial-gradient(ellipse cover at bottom left, #520000 0%, #520000 70%, #8b0000 95%);
  border-top-left-radius: 50% 35%;
  border-bottom-right-radius: 35% 50%;
  border-top-right-radius: 45%;
  border-bottom-left-radius: 10%;
  transform: rotate(-45deg);
  height: 100%;
  width: 100%;
}

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